Table 10.
Pregnancy outcomes of SBT and DBT in women aged ≥38 yr.
| SBT (25 cases) | DBT (32 cases) | P value | |
|---|---|---|---|
| No. of fetal heart beats | 13 | 23 | 0.194 |
| Rate of clinical pregnancy (%) | 52.0 (13/25) | 59.4 (19/32) | 0.578 |
| Rate of chemistry pregnancy (%) | 7.1 (1/14) | 9.5 (2/21) | 1 |
| Rate of ectopic pregnancy (%) | 0 (0/13) | 0.0 (0/19) | — |
| Implantation rate (%) | 52.0 (13/25) | 42.1 (27/64) | 0.403 |
| Multiple pregnancy rate (%) | 0.0 (0/13) | 5.3 (1/19) | 1 |
| Miscarriage rate (%) | 23.1 (3/13) | 15.8 (3/19) | 0.666 |
| Preterm birth rate (%) | 0 (0/13) | 10.5 (2/19) | 0.502 |
| Term delivery rate (%) | 40.0 (10/25) | 37.5 (12/32) | 0.467 |
| Live birth rate (%) | 40.0 (10/25) | 43.8 (14/32) | 0.794 |
| Rate of low-weight infants (%) | 0 (0/10) | 6.7 (1/15) | 1 |
| Rate of fetal macrosomia (%) | 10.0 (1/10) | 6.7 (1/15) | 1 |
| Neonatal birth weight (g) | 3125 (2969, 3362.5) | 3250 (2900, 3650) | 0.439 |
∗ P < 0.05, ∗∗P < 0.01.